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The alternate sigma factor sigmaS plays an important role in the survival of Salmonella typhimurium following sudden encounters with a variety of stress conditions. The level of sigmaS is very low in(More)
Rickettsia prowazekii is an obligate intracellular pathogen that possesses a small genome and a highly refined repertoire of biochemical pathways compared to those of free-living bacteria. Here we(More)
Use of ischemic postconditioning and other related cardioprotective interventions to treat patients with acute myocardial infarction (AMI) has failed to improve outcomes in clinical trials. Because(More)